Bids Are Invited For Selection Of Laboratories For Testing Of Products/Material - Soil Investigation And Topographical Survey; Soil Investigation And Topographical Survey; Job Each; Soil Investigation And Topographical Survey Mobilization Charges Of Tools, Sonitpur-Assam

Bids Are Invited For Selection Of Laboratories For Testing Of Products/Material - Soil Investigation And Topographical Survey; Soil Investigation And Topographical Survey; Job Each; Soil Investigation And Topographical Survey Mobilization charges of tools & plants alongwith accessories, materials, labour, supervision etc at site of work required in connection with boring & testing work, including setting up boring rigs etc and also incl withdrawal of same from the site after completion of work, complete all as directed and as specified below: - (a) For sub surface investigation soil exploration shall be carried out as per IS 1892:2021 or latest amended/revised codes of practice for sub surface investigation of foundation, IS 10042 1981 (Reaffirmed 2002) or latest amended/revised code of practice for soil investigation for foundation in Gravel-Boulder Deposit. - (b) Boring of 150mm dia to be carried out through any type of sub soil stratas from gound level to 10.00 mtr (N≥50) or (Depth of refusal wherever is meet earlier). If refusal encounters before mentioned depth of bore. another bore shall be carried out at a radial distance of 2mtr. if refusal encounter continues on the next location, it shall be carried out upto total 04 Nos of bores to eliminate the probability of local refusal due to boulders/pebbles without any extra cost. (c) Conducting standard penetration test in the bore as per IS 2131-1985 including collecting disturbed samples at every 0.5mtr or change of strata including packing and handling all complete and collecting undisturbed soil samples at every 1.0 mtr or change of strata including packing and handling all complete as per IS 2131-1985 (d) Carrying out laboratory test for. - (i) Specific gravity, bulk density, dry density. (ii) Maximum dry density and Optimum Moisture Content (Modified Proctor Density Test) (iii) Grain size analysis. (iv) Natural moisture content (v) Atterberg limits test (Liquid Limit, Plastic Limit, Shrinkage Limit). (vi) Shear characteristic of undisturbed samples using Direct Shear Test and Triaxial Shear Test (vii) Unconfined Compression Test (viii) Consolidation test (ix) Chemical test for availability of soluble Chloride, Sulphate, Carbonate, Nitrate content sand PH value of Sub soil, Ground Water & Sub-Soll Water. (x) Free swell index and swelling properties of soil. (xi) Harmful Salt (xii) Organic matter in soil if any. Total Quantity :

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